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Issue 4, 2016
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Distinct structural and dynamical difference between supercooled and normal liquids of hydrogen molecules

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Abstract

Supercooled hydrogen liquid as well as superfluid have continued to elude experimental observation due to rapid crystallization. We computationally realized and investigated supercooled hydrogen liquid by a recently developed non-empirical real-time molecular dynamics method, which describes non-spherical hydrogen molecules with the nuclear quantum effects. We demonstrated that the hydrogen supercooled liquid is not a simply cooled liquid but rather exhibits intrinsic structural and dynamical characters including a precursor of tunneling and superfluidity which neither normal hydrogen liquid nor solid possesses. All of the insights provide a milestone for planning experiments of metastable hydrogen systems like glassy and superfluid states and for identifying various unknown hydrogen phases.

Graphical abstract: Distinct structural and dynamical difference between supercooled and normal liquids of hydrogen molecules

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Publication details

The article was received on 30 Oct 2015, accepted on 26 Dec 2015 and first published on 11 Jan 2016


Article type: Communication
DOI: 10.1039/C5CP06615H
Author version available: Download Author version (PDF)
Citation: Phys. Chem. Chem. Phys., 2016,18, 2314-2318
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    Distinct structural and dynamical difference between supercooled and normal liquids of hydrogen molecules

    K. Hyeon-Deuk and K. Ando, Phys. Chem. Chem. Phys., 2016, 18, 2314
    DOI: 10.1039/C5CP06615H

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